LIMIT ANALYSIS PROBLEM AND ITS PENALIZATION

被引：0
|
作者：
Sysala, Stanislav [1 ,2 ]
机构：
[1] Czech Acad Sci, Inst Geon, Dept Appl Math & Comp Sci, Studentska 1768, Ostrava 70800, Czech Republic
[2] Dept IT4Innovat, Studentska 1768, Ostrava 70800, Czech Republic
来源：
COMPUTATIONAL PLASTICITY XIV: FUNDAMENTALS AND APPLICATIONS | 2017年
关键词：
perfect plasticity; limit analysis; truncation method; indirect incremental method; NUMERICAL REALIZATION; CONTACT PROBLEMS; DISCRETIZATION; PLASTICITY; OPERATORS; COLLAPSE; LOAD;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The contribution is focused on solution of the kinematic limit analysis problem within associative perfect plasticity. It is a constrained minimization problem describing a collapse state of an investigated body. Two different penalization methods are presented and interpreted as the truncation method and the indirect incremental method, respectively. It is shown that both methods are meaningful even within the continuous setting of the problem. Convergence with respect to penalty and discretization parameters is discussed. The indirect incremental method can be simply implemented within current elastoplastic codes.
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页码：866 / 875
页数：10
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